Quickie little script to watch a webpage for changes (when Beach House tix go on sale)

pagewatch.py

#!/usr/bin/python
"""pagetracker.py: Looks at a webpage and creates an OSX notification if a pattern is not found on the page.

Requirements:
pip install requests
pip install beautifulsoup4
pip install pync

Try running it like this:

while :; do
  clear
  date
  ./pagetracker.py
  sleep 5
done

"""
__author__ = "Jono Warren, https://github.com/jonowar"

import re

import requests
from bs4 import BeautifulSoup
from pync import Notifier

def track(url, pattern, notification):
    """
    Open a url and search the text for a pattern.
    If it's not found, notify us!
    """
    req = requests.get(url)
    soup = BeautifulSoup(req.text, "html.parser")
    if not re.search(pattern, soup.get_text()):
        print '"{pattern}" not found on {url}!!!'.format(
            pattern=pattern,
            url=url,
            )
        Notifier.notify(notification, open=url)
    else:
        print '"{pattern}" still found on {url}'.format(
            pattern=pattern,
            url=url,
            )

if __name__ == "__main__":
    track(url="http://www.beachhousebaltimore.com/installation/",
          pattern="San Francisco.*TBA",
          notification="BEACH HOUSE TICKETS ON SALE!!!"
          )